def del_item(item_id, type) for i in 0..self.actors.size - 1 for a in 0..self.actors[i].item_grid.size - 1 for b in 0..self.actors[i].item_grid[a].size - 1 if self.actors[i].item_grid[a][b][0] == item_id and self.actors[i].item_grid[a][b][1] == type